package com.zzyl.serve.service.impl;

import java.util.List;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.serve.mapper.NursingLevelMapper;
import com.zzyl.serve.domain.NursingLevel;
import com.zzyl.serve.service.INursingLevelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import java.util.Arrays;

/**
 * 护理等级Service业务层处理
 * 
 * @author ruoyi
 * @date 2024-10-04
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;
    //注入缓存模板
    @Autowired
    private RedisTemplate<Object, Object> redisTemplate;

    //缓存key
    private static final String CACHE_KEY_PREFIX = "nursingLevel:all";
    /**
     * 查询护理等级
     * 
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询护理等级列表
     * 
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        //保存数据
        boolean flag = save(nursingLevel);
        //删除缓存
        deleteCache();
        return flag ?1:0;
    }

    private void deleteCache() {
        redisTemplate.delete(CACHE_KEY_PREFIX);
    }

    /**
     * 修改护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {
        //修改数据
        int flag = nursingLevelMapper.updateNursingLevel(nursingLevel);
        //修改时候删除缓存
        deleteCache();
        return flag;
    }

    /**
     * 批量删除护理等级
     * 
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        //删除数据
        int flag = nursingLevelMapper.deleteNursingLevelByIds(ids);

        //删除缓存
        deleteCache();
        return flag;
    }

    /**
     * 删除护理等级信息
     * 
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        //删除数据
        int flag = nursingLevelMapper.deleteNursingLevelById(id);

        deleteCache();
        return flag;
    }

    /**
     * 查询护理等级列表
     *
     * @return
     */
    @Override
    public List<NursingLevel> selectLevelLists() {
        //将该接口的数据缓存到redis中
        //1.判断redis中是否有该数据(从缓存中通过key获取数据)
        List<NursingLevel> list = (List<NursingLevel>) redisTemplate.opsForValue().get(CACHE_KEY_PREFIX);
        //2.缓存中有数据，则返回数据
       if(list != null && list.size() >0){
           return list;
       }
        //3.查询数据库
        LambdaQueryWrapper<NursingLevel> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(NursingLevel::getStatus, 1);
        list = nursingLevelMapper.selectList(queryWrapper);
        //4.将查询到的数据缓存到redis中
        redisTemplate.opsForValue().set(CACHE_KEY_PREFIX, list);
        return list;
    }
}
